Problem Display
PID: 192176 (8/1K2p2Q/4p3/4k3/4Np2/P4P2/7P/8 w - - 0 1)

Hansen, Lorenz

Pittsburgh Gazette-Times, 1916

8/1K2p2Q/4p3/4k3/4Np2/P4P2/7P/8

#3

6 + 4


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Tries
    • 1.Qxe7?
      • threat
        • 2.Qc5#
      • 1...Kd5
        • 2.Qc5#
      • 1...Kf5
        • 2.Qg5#
        • 2.Qf6#
      • 1...Kd4!
    • 1.Qg7+?
      • 1...Kf5
        • 2.Qg5#
      • 1...Kd5!
    • 1.Qh8+?
      • 1...Kf5
        • 2.Qh5#
      • 1...Kd5!
  • Keys
    • 1.Sf2!
      • 1...Kd4
        • 2.Qd3+
          • 2...Kc5
            • 3.Se4#
          • 2...Ke5
            • 3.Sg4#
      • 1...Kd5
        • 2.Qd3+
          • 2...Kc5
            • 3.Se4#
          • 2...Ke5
            • 3.Sg4#
      • 1...Kd6
        • 2.Qd3+
          • 2...Kc5
            • 3.Se4#
          • 2...Ke5
            • 3.Sg4#
      • 1...Kf6
        • 2.Sg4+
          • 2...Kg5
            • 3.h4#

FEATURES


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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).